75049937 has 2 divisors, whose sum is σ = 75049938. Its totient is φ = 75049936.

The previous prime is 75049861. The next prime is 75049979. The reversal of 75049937 is 73994057.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54700816 + 20349121 = 7396^2 + 4511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75049937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75043937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37524968 + 37524969.

It is an arithmetic number, because the mean of its divisors is an integer number (37524969).

Almost surely, 2^75049937 is an apocalyptic number.

It is an amenable number.

75049937 is a deficient number, since it is larger than the sum of its proper divisors (1).

75049937 is an equidigital number, since it uses as much as digits as its factorization.

75049937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 75049937 is about 8663.1366721298. The cubic root of 75049937 is about 421.8099085455.

The spelling of 75049937 in words is "seventy-five million, forty-nine thousand, nine hundred thirty-seven".